99399948 has 12 divisors (see below), whose sum is σ = 231933240. Its totient is φ = 33133312.

The previous prime is 99399947. The next prime is 99399967. The reversal of 99399948 is 84999399.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 99399891 and 99399900.

It is not an unprimeable number, because it can be changed into a prime (99399941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141653 + ... + 4141676.

It is an arithmetic number, because the mean of its divisors is an integer number (19327770).

Almost surely, 2^99399948 is an apocalyptic number.

It is an amenable number.

99399948 is an abundant number, since it is smaller than the sum of its proper divisors (132533292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99399948 is a wasteful number, since it uses less digits than its factorization.

99399948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283336 (or 8283334 counting only the distinct ones).

The product of its digits is 5668704, while the sum is 60.

The square root of 99399948 is about 9969.9522566560. The cubic root of 99399948 is about 463.2286219677.

The spelling of 99399948 in words is "ninety-nine million, three hundred ninety-nine thousand, nine hundred forty-eight".